Second string and Second stringer

Second string noun - A squad of players that are available either individually or as a team to relieve or replace the players who started the game.

Second stringer and second string are semantically related In some cases you can use "Second stringer" instead a noun phrase "Second string".

Second string and second stringer are semantically related in secondary role player topic. You can use "Second string" instead a noun phrase "Second stringer".